Form 4 for DLB Dolby Laboratories, Inc.
Accepted 2026-08-28 18:02:38 ET · period of report 2026-08-28 · accession 0001193125-26-374860 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DI | 2026-08-28 18:02 | 2026-08-28 | DLB | Dolby Dagmar | 10% | C - Cnv Deriv | $0.00 | +300.0K | 300.0K | New | $0 |
| DI | 2026-08-28 18:02 | 2026-08-28 | DLB | Dolby Dagmar | 10% | G - Gift | $0.00 | -300.0K | 0 | -100% | $0 |
| DMI | 2026-08-28 18:02 | 2026-08-28 | DLB | Dolby Dagmar | 10% | G - Gift | $0.00 | 0 | 1.00M | New | $0 |
| DI | 2026-08-28 18:02 | 2026-08-28 | DLB | Dolby Dagmar | 10% | C - Cnv Deriv | $0.00 | -300.0K | 4.37M | -6% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-08-28 | C | A | 300,000 | $0.00 | 300,000 | I By Trust | — | — | (F1) Each share of Class A Common Stock was issued upon conversion of one share of Class B Common Stock at the election of, and at no cost to, the reporting person. (F2) On August 28, 2026, the Dagmar Dolby Trust (as defined below) converted 300,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization. The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Securities Exchange Act of 1934, as amended (the "Act"). (F3) Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the "Dagmar Dolby Trust"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein. |
| 2 | Common | Class A Common Stock | 2026-08-28 | G | D | 300,000 | $0.00 | 0 | I By Trust | — | — | (F2) On August 28, 2026, the Dagmar Dolby Trust (as defined below) converted 300,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization. The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Securities Exchange Act of 1934, as amended (the "Act"). (F3) Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the "Dagmar Dolby Trust"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein. |
| 3 | Derivative | Class B Common Stock | 2026-08-28 | G | D | 2,000,000 | $0.00 | 4,672,117 | I By a trust | — · — to — | 2,000,000 Class A Common Stock | (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F5) On August 28, 2026, the Dagmar Dolby Trust contributed a total of 2,000,000 shares of Class B Common Stock: 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA-2 (as defined below) and 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust BB (as defined below). Such share contributions were effected solely for tax and estate planning purposes, and were each a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As such a change in form of indirect beneficial ownership only, applicable rules consider each a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4. (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F3) Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the "Dagmar Dolby Trust"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein. |
| 4 | Derivative | Class B Common Stock | 2026-08-28 | G | A | 1,000,000 | $0.00 | 1,000,000 | I By a trust | — · — to — | 1,000,000 Class A Common Stock | (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F5) On August 28, 2026, the Dagmar Dolby Trust contributed a total of 2,000,000 shares of Class B Common Stock: 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA-2 (as defined below) and 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust BB (as defined below). Such share contributions were effected solely for tax and estate planning purposes, and were each a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As such a change in form of indirect beneficial ownership only, applicable rules consider each a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4. (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F6) Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust AA-2, dated August 25, 2026 (the "Dagmar Dolby 2026 Trust AA-2"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust AA-2. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust AA-2. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein. |
| 5 | Derivative | Class B Common Stock | 2026-08-28 | G | A | 1,000,000 | $0.00 | 1,000,000 | I By a trust | — · — to — | 1,000,000 Class A Common Stock | (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F5) On August 28, 2026, the Dagmar Dolby Trust contributed a total of 2,000,000 shares of Class B Common Stock: 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust AA-2 (as defined below) and 1,000,000 to a newly formed grantor retained annuity trust, the Dagmar Dolby 2026 Trust BB (as defined below). Such share contributions were effected solely for tax and estate planning purposes, and were each a transfer for no value without the payment or receipt of any funds or other consideration by any reporting person in exchange therefor. As such a change in form of indirect beneficial ownership only, applicable rules consider each a share contribution to be exempt from the reporting requirements of Section 16(a) and the provisions of Section 16(b) of the Act, and as a result the reporting persons are voluntarily reporting such share contribution on this Form 4. (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F7) Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2026 Trust BB, dated August 25, 2026 (the "Dagmar Dolby 2026 Trust BB"), voting power over which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2026 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2026 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein. |
| 6 | Derivative | Class B Common Stock | 2026-08-28 | C | D | 300,000 | $0.00 | 4,372,117 | I By Trust | — · — to — | 300,000 Class A Common Stock | (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F2) On August 28, 2026, the Dagmar Dolby Trust (as defined below) converted 300,000 shares of Class B Common Stock into a like number of shares of Class A Common Stock and gifted all such shares of Class A Common Stock to an unaffiliated charitable organization. The gift transaction is exempt from Section 16(b) by virtue of Rule 16b-5 promulgated under the Securities Exchange Act of 1934, as amended (the "Act"). (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F4) Shares of Class B Common Stock are convertible, at no cost, at any time at the election of the holder into shares of Class A Common Stock on a 1-for-1 basis. (F3) Reflects shares held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby Trust under the Dolby Family Trust Instrument, dated May 7, 1999 (the "Dagmar Dolby Trust"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Dagmar Dolby Trust. This report is filed jointly by Dagmar Dolby and the Dagmar Dolby Trust with respect to the securities held and transactions effected by the Dagmar Dolby Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein. |